本文整理汇总了Java中org.apache.hadoop.hbase.HTableDescriptor.DEFAULT_MEMSTORE_FLUSH_SIZE属性的典型用法代码示例。如果您正苦于以下问题:Java HTableDescriptor.DEFAULT_MEMSTORE_FLUSH_SIZE属性的具体用法?Java HTableDescriptor.DEFAULT_MEMSTORE_FLUSH_SIZE怎么用?Java HTableDescriptor.DEFAULT_MEMSTORE_FLUSH_SIZE使用的例子?那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.hbase.HTableDescriptor
的用法示例。
在下文中一共展示了HTableDescriptor.DEFAULT_MEMSTORE_FLUSH_SIZE属性的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testShouldFailOnlineSchemaUpdateIfOnlineSchemaIsNotEnabled
@Test (timeout=300000)
public void testShouldFailOnlineSchemaUpdateIfOnlineSchemaIsNotEnabled()
throws Exception {
final TableName tableName = TableName.valueOf("changeTableSchemaOnlineFailure");
TEST_UTIL.getMiniHBaseCluster().getMaster().getConfiguration().setBoolean(
"hbase.online.schema.update.enable", false);
HTableDescriptor[] tables = admin.listTables();
int numTables = tables.length;
TEST_UTIL.createTable(tableName, HConstants.CATALOG_FAMILY).close();
tables = this.admin.listTables();
assertEquals(numTables + 1, tables.length);
// FIRST, do htabledescriptor changes.
HTableDescriptor htd = this.admin.getTableDescriptor(tableName);
// Make a copy and assert copy is good.
HTableDescriptor copy = new HTableDescriptor(htd);
assertTrue(htd.equals(copy));
// Now amend the copy. Introduce differences.
long newFlushSize = htd.getMemStoreFlushSize() / 2;
if (newFlushSize <=0) {
newFlushSize = HTableDescriptor.DEFAULT_MEMSTORE_FLUSH_SIZE / 2;
}
copy.setMemStoreFlushSize(newFlushSize);
final String key = "anyoldkey";
assertTrue(htd.getValue(key) == null);
copy.setValue(key, key);
boolean expectedException = false;
try {
admin.modifyTable(tableName, copy);
} catch (TableNotDisabledException re) {
expectedException = true;
}
assertTrue("Online schema update should not happen.", expectedException);
// Reset the value for the other tests
TEST_UTIL.getMiniHBaseCluster().getMaster().getConfiguration().setBoolean(
"hbase.online.schema.update.enable", true);
}